A high-efficiency power amplifier by using harmonics control

被引：0
|
作者：
Guo, Long [1 ,2 ]
Wang, Guangming [1 ,3 ]
Shi, Yiping [1 ]
机构：
[1] Air Force Engn Univ, Air & Missile Def Coll, Xian, Peoples R China
[2] Sichuan Jiuzhou Elect Grp Co Ltd, Mianyang, Peoples R China
[3] Air Force Engn Univ, Air & Missile Def Coll, Xian 710051, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2024年 / 66卷 / 01期
基金：
中国国家自然科学基金;
关键词：
asymmetrical branch-line coupler; harmonic control; high efficiency; power amplifier;
D O I：
10.1002/mop.33970
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A harmonics control high-efficiency power amplifier (PA) is proposed by combining an asymmetrical branch-line coupler (ABLC) and a shunt transmission line. With the special ports impedance condition, the ABLC realizes impedance transformation as well as shorts even-harmonics, and the shunt transmission line shorts the third harmonic. Herein, two-stage couplers not only expand the bandwidth but also enhance the harmonics control. A PA is simulated and fabricated to verify the proposed method. The measured results show that the typical saturated output power is more than 40 dBm, the drain efficiency is 60.3%-81.3%, and the power gain is 10.4-17.9 dB from 1.4 to 2.4 GHz.
引用
收藏
页数：5
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